Search a number
-
+
5278005 = 325532213
BaseRepresentation
bin10100001000100100110101
3100221011001200
4110020210311
52322344010
6305043113
762601525
oct24104465
910834050
105278005
112a85497
121926499
13112a4a5
149b5685
156e3cc0
hex508935

5278005 has 24 divisors (see below), whose sum is σ = 9325368. Its totient is φ = 2760576.

The previous prime is 5278001. The next prime is 5278033. The reversal of 5278005 is 5008725.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2643876 + 2634129 = 1626^2 + 1623^2 .

It is not a de Polignac number, because 5278005 - 22 = 5278001 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5278005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (388557).

Almost surely, 25278005 is an apocalyptic number.

It is an amenable number.

5278005 is a deficient number, since it is larger than the sum of its proper divisors (4047363).

5278005 is a wasteful number, since it uses less digits than its factorization.

5278005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 5278005 is about 2297.3909114472. The cubic root of 5278005 is about 174.1098196940.

The spelling of 5278005 in words is "five million, two hundred seventy-eight thousand, five".

Divisors: 1 3 5 9 15 45 53 159 265 477 795 2213 2385 6639 11065 19917 33195 99585 117289 351867 586445 1055601 1759335 5278005